Throughout this course, you've studied the concept of centralizing governmental power. In this process, large amounts of land and people come under the control of a single government. What might be the advantages to a society that centralizes its government (such as the Sui Dynasty in China) compared to a decentralized system (such as Ancient Greece)?

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

protect u.s. businesses from competition

because dead babies can't fart

yes i am pretty sure hope this